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TI-2022-07666 Aliases CVE-2022-23613

Privilege escalation on xrdp

Priority LOW 37CWE-191Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-191 and the CVSS impact.

Summary

xrdp is an open source remote desktop protocol (RDP) server. In affected versions an integer underflow leading to a heap overflow in the sesman server allows any unauthenticated attacker which is able to locally access a sesman server to execute code as root. This vulnerability has been patched in version 0.9.18.1 and above. Users are advised to upgrade. There are no known workarounds.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00489 42nd percentileScored 2026-11-07
Fix Fixed xrdp (neutrinolabs): 0.9.18.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
neutrinolabsxrdp0.9.17 to before 0.9.18.10.9.18.1Patch availableCNA
  • xrdp Vendorneutrinolabs Affected 0.9.17 to before 0.9.18.1 Fixed in 0.9.18.1 Patch available CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:a:neutrinolabs:xrdp:0.9.17:*:*:*:*:*:*:*0.9.17Vulnerableneutrinolabs
cpe:2.3:a:neutrinolabs:xrdp:0.9.18:*:*:*:*:*:*:*0.9.18Vulnerableneutrinolabs
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*34VulnerableFedoraproject
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*35VulnerableFedoraproject
  • cpe:2.3:a:neutrinolabs:xrdp:0.9.17:*:*:*:*:*:*:* Versions 0.9.17 Vulnerable ·neutrinolabs
  • cpe:2.3:a:neutrinolabs:xrdp:0.9.18:*:*:*:*:*:*:* Versions 0.9.18 Vulnerable ·neutrinolabs
  • cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* Versions 34 Vulnerable ·Fedoraproject
  • cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* Versions 35 Vulnerable ·Fedoraproject

Remediation

  • Fix · CNA xrdp (neutrinolabs) Fixed in 0.9.18.1

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-23613

References

  • TI-2025-42163 xrdp improperly checks bounds of domain string length, which leads to Stack-based Buffer Overflow CVSS 3.1CRITICAL 9.8
  • TI-2026-29860 xrdp: lib_palette_update Heap Buffer Overflow & RCE CVSS 3.1CRITICAL 9.8
  • TI-2022-07540 Buffer Overflow in xrdp CVSS 3.1CRITICAL 9.8
  • TI-2022-07539 Buffer Overflow occurs in xrdp CVSS 3.1CRITICAL 9.8
  • TI-2022-07538 Out of Bound Write in xrdp CVSS 3.1CRITICAL 9.8
  • TI-2022-07537 Buffer Overflow in xrdp CVSS 3.1CRITICAL 9.8
See all 36 →

Sources